Tech Service QA Engineer Interview Questions and Answers

Aptitude was hosted by Amazon themselves comprising of 3 sections:
1. Coding
2. MCQ regarding QA methodologies
3. Behavioural questions (where does your alignment lies)

Q1. Simple string manipulation (e.g. anagram string)
Ans. 
Check if two strings are anagrams of each other
• Create a function that takes in two strings as input

• Remove all spaces and special characters from both strings

• Sort the characters in both strings and compare them to check if they are equal
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Q2. Optimise approach for each question
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Q1. Technical questions around automation suite
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Q1. More questions on the projects I have worked, questions around them
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Q1. Alignment on where you are likely going to be in the org
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Q2. Preferred work location
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Q1. WAP to run same test case 100 times
Ans. 
Write a program to run the same test case 100 times
• Use a loop to iterate 100 times

• Call the test case function inside the loop

• Track the results of each iteration if needed
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Q2. WAP to get duplicate char count
Ans. 
A program to count the number of duplicate characters in an array of strings.
• Iterate through each string in the array

• For each string, iterate through each character and count the occurrences

• Store the count of each character in a map or dictionary

• Return the characters with count greater than 1
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Bubble sort algo, String manipulation

Q1. API testing using restAssured
Ans. 
restAssured is a Java library for API testing, commonly used for testing RESTful APIs.
• restAssured is a Java library that simplifies API testing by providing a fluent interface for making HTTP requests and validating responses.

• It can be used to test RESTful APIs by sending requests (GET, POST, PUT, DELETE) and verifying the responses.

• Assertions can be made on response status codes, headers, body content, and more.

• Exampl...read more
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Q2. STLC bug life cuycle
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Q1. What is the definition of tosca
Ans. 
Tosca is a software testing tool that provides end-to-end test automation solutions.
• Tosca is used for automated software testing.

• It offers features like test case design, test data management, and test execution.

• Tosca supports various technologies and platforms for testing.

• It helps in accelerating the testing process and improving test coverage.

• Example: Using Tosca to automate regression tests for a web application.
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Q2. Tosca errors and define them
Ans. 
Tosca errors are common issues encountered while using the Tosca automation tool for testing.
• Object not found error - occurs when Tosca cannot locate a specific object on the application under test.

• Data binding error - happens when there is an issue with the data binding in Tosca.

• Execution error - occurs during the execution of test cases in Tosca.

• License error - happens when there is an issue with the Tosca license.

• Co...read more
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Q1. Introduced yourself in details
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Q2. Asked me about selenium framework, Basic questions on selenium
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Q1. SQL query with join
Ans. 
SQL query with join
• Use JOIN keyword to combine rows from two or more tables based on a related column between them

• Specify the columns to select from each table in the SELECT statement

• Use ON keyword to specify the join condition
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Q1. SQL query with join
Ans. 
SQL query with join
• Use JOIN keyword to combine rows from two or more tables based on a related column between them

• Specify the columns to select from each table

• Use ON keyword to specify the join condition
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Q1. HR Round for Company review & offer
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Aptitude Reasoning more practice need for this

Data structures main and good understanding and problem solving

Q1. About data structures
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Q2. Basic coding questions
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Q1. Write a program for prime number.
Ans. 
Program to check if a number is prime or not.
• Create a function to check if a number is prime by iterating from 2 to the square root of the number.

• If the number is divisible by any number in that range, it is not prime.

• Return true if the number is prime, false otherwise.
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Q2. What is polymorphism and overriding in Java?
Ans. 
Polymorphism is the ability of a single function or method to operate on different types of data. Overriding is when a subclass provides a specific implementation of a method that is already provided by its superclass.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• Overriding occurs when a subclass provides a specific implementation of a method that is already provided b...read more
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Q1. How much salary do you expect?
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